Former World No. 1 Steffi Graf won a total of 22 career Grand Slam titles, second most behind Margaret Court. She held her No. 1 ranking for a record 377 weeks and finished the year at No. 1 a record 8 times. Graf is the only player, male or female, to have won a Calendar Year Golden Slam - all four Grand Slam singles titles and an Olympic gold medal in the same year.